Vigora is an analogue of Viagra that contains Sildenafil Citrate, but is much cheaper. Most men prefer to take pills Vigora even if they have no erection problems. This is done to prevent possible problems with erectile dysfunction and increase potency. Some men are taking them because of the uncertainty in their abilities as a consequence of fatigue or tension. Most sexologists advises his patients to take Vigora to restore normal erection. Almost half of all cases associated with impotence is the result of various illnesses, wounds, intoxication, or damage to sexual organs. Vigora is fast and efficient remedy for impotence regardless of the reasons for its occurrence. Studies of patients older than 75 years have shown good results in the use of Vigora to treat problems with erection. For younger age groups the effect of Vigora shows similar results to using Viagra.